Linear Functions

Front

Is the relation shown in the graph a function?

Back

Yes

Front

Given the relation A = {(5, 2), (7, 4), (9, 10), (x, 5)}. Which value for x will make relation A a function? Options: 7, 9, 4

Back

4

Front

f(x) = 3x - 7
f(-1) =

Back

-10

Front

Is the relation a function?

Back

No, because the x-value 11 has two y-values pair with it.

Front

Which of the relations below is a function? Options:

{(2, 3), (3, 4), (5, 1), (2, 4)}

,

{(2, 3), (3, 4), (6, 2), (7, 3)}

,

{(2, 3), ( 3, 4), (6, 2), (3, 3)}

Back

{(2, 3), (3, 4), (6, 2), (7, 3)}

Front

Find f(-3)

Back

-3

Front

f(x) = - x² + 1
find f(3)

Back

- 8

Front

What does c(7) represent in the function c(m) = 1.45m + 3.50, where c(m) is the cost of a taxi for m miles?

Back

The cost to ride 7 miles

Front

What does the notation h(4) = 5 mean in the context of the function h(t) representing the height in inches of a plant after t weeks?

Back

After 4 weeks the plant is 5 inches tall

Front

Are these two lines parallel, perpendicular or neither?
y = -1/3x - 5
y = 1/3x + 2

Back

Neither